Free Resources
Explore our free guides, advice and helpful information to make water testing easier to understand. Whether you want to check your drinking water at home, test a private well or borehole, monitor a pool or hot tub, or understand a water test result, our resources can help you choose the right approach.
Find answers to common water testing questions, learn how to use our water test kits, understand what different water test results mean and discover which tests may be suitable for your particular water source or concern.
Our free resources include guides on drinking water testing, bacteria, lead, Legionella, water hardness, private water supplies and more.